Compilare: main.cpp: In function 'int main()': main.cpp:96:16: warning: unused variable 'j' [-Wunused-variable] int n, m, i, j, point ; ^ main.cpp:96:19: warning: unused variable 'point' [-Wunused-variable] int n, m, i, j, point ; ^~~~~ main.cpp:97:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &n, &m ) ; ^ main.cpp:99:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &v[i] ) ; ^ main.cpp:101:64: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &querys[i].cpt[0], &querys[i].cpt[1]) ; ^